$Server = $env:computername
$men = gwmi -computername $Server win32_OperatingSystem 
#$Freemen = "{0:0.0} MB" -f ($men.FreePhysicalMemory  / 1KB) 
$Freemen = "{0:0.0}" -f ($men.FreePhysicalMemory  / 1KB) 
Write-Host "$Freemen"